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Tópicos atuais sobre segurança da informação. A segurança informática é da responsabilidade de todos.

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Etiqueta: mobile

Hacking, Mobile, segurancainformatica

Android vulnerability allows attackers to spoof any phone number

Posted on 29 Dezembro, 2021

Introduction Because many employees use mobile devices for work, the widespread use of mobile devices has come to put company networks at risk for cyberattacks….

Malware, Mobile, segurancainformatica

MalLocker Android ransomware analysis

Posted on 18 Novembro, 2021

Malware is persistent presence in our life. In the past few months, several pieces of different malware families were identified as affecting mobile devices. This…

computer security, Malware, Mobile

A new malware dropper identified in 9 android apps on PlayStore

Posted on 11 Março, 2021
new-android-malware-stealing-data-from-popular-messenger-apps-1

New malware dropper identified in 9 android apps on PlayStore.

Digital Identity, Reports

Facebook regista a atividade de “não-utilizadores” através de apps Android de terceiros

Posted on 31 Dezembro, 2018
facebook

Facebook regista a atividade de “não-utilizadores” através de apps Android de terceiros.

Malware, Mobile, Phishing

Malware android chega aos dispositivos alvo via ficheiros PDF

Posted on 28 Dezembro, 201828 Dezembro, 2018
screens

Malware android chega aos dispositivos alvo via ficheiros PDF. 

Mobile

Google resolve vulnerabilidades críticas no Android

Posted on 5 Julho, 2018
patch jully 2018 android

A Google divulgou esta semana um conjunto de patches de segurança para o seu sistema operativo móvel, Android. Este patch aborda algumas vulnerabilidades classificadas como críticas.

computer security, Mobile

Uma falha na Texting App da Samsung permite enviar fotos aleatórias para os contactos

Posted on 3 Julho, 20183 Julho, 2018
SamsungGalaxy

Alguns dispositivos Samsung permitem enviar aleatoriamente fotos tiradas com a própria camera para os contatos da lista sem qualquer permissão por parte do proprietário do dispositivo.

computer security, Hacking, Malware, Mobile

Do Not Disturb app will protect your device from evil maid attacks

Posted on 26 Abril, 2018
Do-not-Disturb-app

NSA expert and white hat hacker Patrick Wardle released an app named Do Not Disturb that can be used to detect attacks powered by attackers with physical access to the device.

Malware, Mobile, vulnerability

App da conferência RSA vaza informação dos utilizadores

Posted on 20 Abril, 2018
concept of leaky software, data with a tap sticking out

Aqui está um novo ditado para 2018: uma conferência de segurança é verdadeiramente segura, até que alguém descubra uma falha na aplicação usada no evento.

Malware, Mobile

Mais Spyware no GooglePlay

Posted on 18 Abril, 20186 Agosto, 2018
googleplay_spyware

Uma nova aplicação maliciosa foi identificada no Google Play. A aplicação tem o nome de Dardesh, era usada como chat de conversação e atuava como um “dropper” para uma segunda aplicação que espionava os utilizadores.

Malware, Mobile

Android P vai bloquear acesso ao microfone e camara para apps em background

Posted on 22 Fevereiro, 20186 Agosto, 2018
Android-P-2

Um nota positiva em prol da privacidade do utilizador. A nova versão do sistema operativo Android irá bloquear o acesso à camara e microfone para todas as aplicações que corram em background.

computer security, Malware, Mobile

Google deleted more than 700.000 apps from its marketplace

Posted on 1 Fevereiro, 20186 Agosto, 2018
Google-Play

Google published a report on Android security Tuesday, announcing that more than 700,000 apps were removed from Google Play for violating marketplace policies.

Data Breach, Hacking, Mobile, reverse engineering

Sonic apps in the Google Play published by SEGA leak users’ data

Posted on 23 Janeiro, 201819 Fevereiro, 2018

Android apps such as Sonic Dash, Sonic the Hedgehog™ Classic, and Sonic Dash 2: Sonic Boom, that have been totally downloaded millions of times are compromising user’s date.

computer security, Mobile, segurancainformatica

10 Tips to Keep Your Smartphone Secured in 2018

Posted on 3 Janeiro, 20186 Agosto, 2018
smartphones

Keep your smartphone secured in 2018. The main purpose of this article is to make users aware of potential security risks and also to appeal that their small daily habits may lead to a significant breach of the security of their data and their digital identity.

Malware and Phishing Analysis, Mobile, reverse engineering, segurancainformatica, tutorials

Security on Android Apps

Posted on 17 Setembro, 201723 Outubro, 2018
1-quadro

Segurança em Aplicações Android O ficheiro de uma aplicação Android é chamado de Android Package (apk), e não é mais que um ficheiro Zone Information…

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    Author – Founder

    pedro tavares

    Pedro Tavares is a professional in the field of information security, Head of Offensive Unit of ArtResilia firm and also working as an Ethical Hacker/Pentester, Malware Researcher and a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.

    In recent years he has invested in the field of information security, exploring and analyzing a wide range of topics, such as pentesting, malware, exploitation, hacking, IoT and security in Active Directory networks.  He is also Freelance Writer and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens. He also launched his GitBook, where he publishes some of his notes entirely online, and took his first steps in podcasting by launching the podcast 'Manhãs em Cibersegurança,' in the Portuguese language."

    Read more here.

    Newsletter

    #0xSI_f33d

    The Portuguese Abuse Open Feed

    si_f33d
    @ VirusTotal offical ingestor

    Add a new phishing / malware campaing into 0xSI_f33d

    Podcast “Manhãs em Cibersegurança”

    Infographic – Threat Report Portugal Q3 & Q4 2022

    si_f33d

    Download [PDF] or [PNG]

    Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal

    clickthebait

    The new maxtrilha trojan is being disseminated and targeting several banks

    maxtrilha

    The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal

    qbot

    A taste of the latest release of QakBot

    qbot

    Javali trojan weaponizing Avira antivirus legitimate injector

    javali

    Anubis Network – The evolution of the Phishing schema

    anubis

    Threat analysis: The emergent URSA trojan impacts many countries using a sophisticated loader

    ursa

    In-depth analysis of a trojan banker impacting Portugal and Brazil

    trojan_portugal_and_Brazil

    Grandoreiro malware May 2020 – Portugal

    The updated Grandoreiro Malware equipped with latenbot-C2 features in Q2 2020 now extended to Portuguese banks

    grandoreiro_portugal_2020

    Brazilian trojan banker is targeting Portuguese users using browser overlay

    predictions

    Trojan Lampion – Portugal

    predictions

    New release of Lampion trojan spreads in Portugal with some improvements on the VBS downloader

    lampion

    Banking Phishing Portugal

    Banking Phishing | Targets Portugal, Spain, Brazil and Chile | From Brazil | Infection process

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